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Finding the Fourth Proportional to 98,905.62, 136,489.79 and 53,583.92

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Solution

The fourth proportional to 98,905.62, 136,489.79 and 53,583.92 is: 73,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,905.62 : 136,489.79 = 53,583.92 : x
  2. Step 2: Convert to fraction form
    98,905.62/136,489.79 = 53,583.92/x
  3. Step 3: Cross multiply
    98,905.62x = 136,489.79 × 53,583.92
  4. Step 4: Simplify right side
    98,905.62x = 7,313,657,951.52
  5. Step 5: Solve for x
    x = 7,313,657,951.52/98,905.62
  6. Step 6: Final answer
    x = 73,945.83

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